The Respirator,air Filtering, cataloged under National Stock Number 4240-01-547-4839, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Mine Safety Appliances Company. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-547-4839 |
| Primary Part Number | 10082541 |
| Item Name | Respirator,air Filtering |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Filter Type | CARTRIDGE |
| Supplementary Features | OPERATES IN HIGH OR LOW FLOW RATES; MINIMUM BATTERY LIFE 6 HOURS; INHALATION RESISTANCE IN NON-BLOWER MODE NO GREATER THAN 70MM H2O INITIAL, 85MM H2O STANDARD; C2A1 OR NIOSH FILTERS MM |
| Criticality Code Justification | AGAV |
| Filter Replaceability | REPLACEABLE |
| Test Data Document | 98752-PD04WRLEEG62 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 10082541 PRIMARY | Mine Safety Appliances Company (USA) |
| Reference | Meaning |
|---|---|
| PD04WRLEEG62-4 | 5/9 Secondary reference U.S. Government activity |
NSN 4240-01-547-4839 is a Respirator,air Filtering, manufactured by Mine Safety Appliances Company, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-547-4839 has 1 manufacturer part number on file: 10082541 (Mine Safety Appliances Company).
Key specifications for 10082541: Filter Type: CARTRIDGE; Supplementary Features: OPERATES IN HIGH OR LOW FLOW RATES; MINIMUM BATTERY LIFE 6 HOURS; INHALATION RESISTANCE IN NON-BLOWER MODE NO GREATER THAN 70MM H2O INITIAL, 85MM H2O STANDARD; C2A1 OR NIOSH FILTERS MM; Criticality Code Justification: AGAV; Special Features: POWERED AIR PURIFYING RESPIRATOR (PAPR) FOR SELF CONTAINED BREATHING APPARATUS (SCBA); PROVIDES PURIFIED AIR TO MASK OF PD04WRLEEG62-1B (SMALL), -2B (MEDIUM), AND -3B (LARGE) MASKS. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4240-01-547-4839 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.